<!DOCTYPE html>
<HTML>
<HEAD>
    <TITLE> ZTREE DEMO - beforeCheck / onCheck</TITLE>
    <meta content="text/html; charset=UTF-8" http-equiv="content-type">
    <link href="../../../css/demo.css" rel="stylesheet" type="text/css">
    <link href="../../../css/zTreeStyle/zTreeStyle.css" rel="stylesheet" type="text/css">
    <script src="../../../js/jquery-1.4.4.min.js" type="text/javascript"></script>
    <script src="../../../js/jquery.ztree.core.js" type="text/javascript"></script>
    <script src="../../../js/jquery.ztree.excheck.js" type="text/javascript"></script>
    <!--
    <script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>
    -->
    <SCRIPT type="text/javascript">
        <!--
        var setting = {
            view: {
                selectedMulti: false
            },
            check: {
                enable: true,
                chkStyle: "radio",
                radioType: "level"
            },
            data: {
                simpleData: {
                    enable: true
                }
            },
            callback: {
                beforeCheck: beforeCheck,
                onCheck: onCheck
            }
        };

        var zNodes = [
            {id: 1, pId: 0, name: "随意勾选 1", open: true},
            {id: 11, pId: 1, name: "无 radio 1-1", nocheck: true},
            {id: 12, pId: 1, name: "随意勾选 1-2", open: true},
            {id: 121, pId: 12, name: "随意勾选 1-2-1"},
            {id: 122, pId: 12, name: "随意勾选 1-2-2"},
            {id: 123, pId: 12, name: "无 radio 1-2-3", nocheck: true},
            {id: 13, pId: 1, name: "随意勾选 1-3"},
            {id: 2, pId: 0, name: "禁止勾选 2", open: true, doCheck: false},
            {id: 21, pId: 2, name: "禁止勾选 2-1", doCheck: false},
            {id: 22, pId: 2, name: "禁止勾选 2-2", checked: true, open: true, doCheck: false},
            {id: 221, pId: 22, name: "禁止勾选 2-2-1", doCheck: false},
            {id: 222, pId: 22, name: "禁止勾选 2-2-2", checked: true, doCheck: false},
            {id: 223, pId: 22, name: "禁止勾选 2-2-3", doCheck: false},
            {id: 23, pId: 2, name: "禁止勾选 2-3", doCheck: false}
        ];

        var code, log, className = "dark";

        function beforeCheck(treeId, treeNode) {
            className = (className === "dark" ? "" : "dark");
            showLog("[ " + getTime() + " beforeCheck ]&nbsp;&nbsp;&nbsp;&nbsp;" + treeNode.name);
            return (treeNode.doCheck !== false);
        }

        function onCheck(e, treeId, treeNode) {
            showLog("[ " + getTime() + " onCheck ]&nbsp;&nbsp;&nbsp;&nbsp;" + treeNode.name);
        }

        function showLog(str) {
            if (!log) log = $("#log");
            log.append("<li class='" + className + "'>" + str + "</li>");
            if (log.children("li").length > 6) {
                log.get(0).removeChild(log.children("li")[0]);
            }
        }

        function getTime() {
            var now = new Date(),
                h = now.getHours(),
                m = now.getMinutes(),
                s = now.getSeconds(),
                ms = now.getMilliseconds();
            return (h + ":" + m + ":" + s + " " + ms);
        }

        function checkNode(e) {
            var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
                type = e.data.type,
                nodes = zTree.getSelectedNodes();
            if (type.indexOf("All") < 0 && nodes.length == 0) {
                alert("请先选择一个节点");
            }

            if (type == "checkAllTrue") {
                zTree.checkAllNodes(true);
            } else if (type == "checkAllFalse") {
                zTree.checkAllNodes(false);
            } else {
                var callbackFlag = $("#callbackTrigger").attr("checked");
                for (var i = 0, l = nodes.length; i < l; i++) {
                    if (type == "checkTrue") {
                        zTree.checkNode(nodes[i], true, null, callbackFlag);
                    } else if (type == "checkFalse") {
                        zTree.checkNode(nodes[i], false, null, callbackFlag);
                    } else if (type == "checkTruePS") {
                        zTree.checkNode(nodes[i], true, true, callbackFlag);
                    } else if (type == "checkFalsePS") {
                        zTree.checkNode(nodes[i], false, true, callbackFlag);
                    }
                }
            }
        }

        $(document).ready(function () {
            $.fn.zTree.init($("#treeDemo"), setting, zNodes);
            $("#checkTrue").bind("click", {type: "checkTrue"}, checkNode);
            $("#checkFalse").bind("click", {type: "checkFalse"}, checkNode);
        });
        //-->
    </SCRIPT>
</HEAD>

<BODY>
<h1>用 zTree 方法 勾选 radio</h1>
<h6>[ 文件路径: excheck/radio_fun.html ]</h6>
<div class="content_wrap">
    <div class="zTreeDemoBackground left">
        <ul class="ztree" id="treeDemo"></ul>
    </div>
    <div class="right">
        <ul class="info">
            <li class="title"><h2>1、beforeCheck / onCheck 事件回调函数控制</h2>
                <ul class="list">
                    <li>利用 beforeCheck / onCheck 事件回调函数 可以控制是否允许 更改 节点勾选状态，这里简单演示如何监控此事件</li>
                    <li><p>试试看：<br/>
                        &nbsp;&nbsp;&nbsp;&nbsp;<input checked id="callbackTrigger" type="checkbox"/> checkNode 方法是否触发
                        callback<br/>
                        &nbsp;&nbsp;&nbsp;&nbsp;[ <a href="#" id="checkTrue" onclick="return false;"
                                                     title="不想勾选我就不勾选你...">勾选</a> ]
                        &nbsp;&nbsp;&nbsp;&nbsp;[ <a href="#" id="checkFalse" onclick="return false;"
                                                     title="不想取消勾选我就不取消你...">取消勾选</a> ]</p>
                    <li><p><span class="highlight_red">使用 zTreeObj.checkNode 方法，详细请参见 API 文档中的相关内容</span><br/>
                        beforeCheck / onCheck log:<br/>
                        <ul class="log" id="log" style="height:130px;"></ul>
                        </p>
                    </li>
                </ul>
            </li>
            <li class="title"><h2>2、setting 配置信息说明</h2>
                <ul class="list">
                    <li>同 "radio 勾选操作" 中的说明</li>
                </ul>
            </li>
            <li class="title"><h2>3、treeNode 节点数据说明</h2>
                <ul class="list">
                    <li>同 "radio 勾选操作" 中的说明</li>
                </ul>
            </li>
        </ul>
    </div>
</div>
</BODY>
</HTML>